CN210184888U

CN210184888U - Myopia prevention desk for teaching

Info

Publication number: CN210184888U
Application number: CN201920600871.5U
Authority: CN
Inventors: Na Zhang; 张娜
Original assignee: Lanzhou Institute of Technology
Current assignee: Lanzhou Institute of Technology
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-03-27
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a myopia prevention desk is used in teaching, including the hollow post of table, baffle, bookshelf and second, the table downside is provided with stores the frame, and stores the frame downside and be provided with first support column, and first support column lateral surface is provided with the internal thread section of thick bamboo simultaneously, the inside external screw thread pole that is provided with of internal thread section of thick bamboo, and the external screw thread pole runs through internal thread section of thick bamboo and first support column lateral surface in proper order, and external screw thread pole outer end is provided with changes the handle simultaneously, external screw thread pole the inner is provided with the stopper, and the stopper setting is inside first support column, and the inside second support column that is provided with of first support column simultaneously, the second support column sets up inboard at the stopper. This teaching is with myopia prevention desk is provided with puts the board, and when the teacher used the desk, the teacher can adjust the angle of putting the board according to the angle of looking over books for the teacher need not bow when looking over books and bow to look over books, and it is more convenient when using to let the teacher like this.

Description

Myopia prevention desk for teaching

Technical Field

The utility model relates to a desk technical field is used in the teaching, specifically is a myopia prevention desk is used in teaching.

Background

The desk is that a school supplies teacher's teaching to use and student to study usefulness of going to class, but the desk that the teacher used at present has some problems, present teacher all directly keeps flat the textbook on the desktop with the desk, the teacher is when using like this, need bow to lower one's head and look over books knowledge, look over books this for a long time, it is not good to teacher's cervical vertebra, still present desk does not have the place that hangs the teaching tool, need put the teaching aid on the desktop when using each time, make desk desktop inconvenient to put books like this, still present desk desktop does not take to concentrate to put to the chalk, directly place the chalk box on the desktop, when colliding the desk carelessly like this, make the chalk box askew and fall easily, lead to the chalk to scatter on desktop and ground, consequently, a teaching is with myopia prevention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a myopia prevention desk is used in teaching, with present teacher who proposes in solving above-mentioned background art all directly keep flat the textbook on the desktop, the teacher is when using like this, need bow to look over books knowledge, look over books for a long time so, it is not good to teacher's cervical vertebra, still there is not the place that hangs teaching tool of present desk, need put the teaching aid on the desktop when using at every turn, make the desk desktop inconvenient to put books like this, still present desk desktop does not take to concentrate to put the chalk, directly place the chalk box on the desktop, when colliding the desk like this carelessly, make the chalk box askew easily, lead to the problem that the chalk scatters on desktop and ground.

In order to achieve the above object, the utility model provides a following technical scheme: a myopia-preventing desk for teaching comprises a desk plate, a baffle, a bookshelf and a second hollow column, wherein a storage frame is arranged on the lower side surface of the desk plate, a first supporting column is arranged on the lower side surface of the storage frame, an internal thread cylinder is arranged on the outer side surface of the first supporting column, an external thread rod is arranged inside the internal thread cylinder and sequentially penetrates through the internal thread cylinder and the outer side surface of the first supporting column, a rotating handle is arranged at the outer end of the external thread rod, a limiting block is arranged at the inner end of the external thread rod and is arranged inside the first supporting column, a second supporting column is arranged inside the first supporting column, the second supporting column is arranged inside the limiting block, a limiting groove is formed in the side surface of the second supporting column and is connected with the limiting block, the baffle is arranged on the upper side surface of the desk plate, hooks are arranged on the left side surface and the right side surface of the desk, the utility model discloses a desk, including the storage hole, the bookshelf sets up the upper left side of desk, and the upper right side of desk is provided with the pen container, and the side is seted up flutedly on the desk simultaneously, the recess sets up between bookshelf and pen container, and the inside board of putting that is provided with of recess, the board left and right sides of putting all is provided with the pivot, and puts the board and be connected with the recess inner wall through the pivot, it is provided with the supporting shoe to put the board side on, and puts the board trailing flank and be provided with first empty core post, the empty core post of second sets up the side on the desk, and the empty core post of second sets up between baffle and recess.

Preferably, the table plate is rectangular, and the length and the width of the table plate are both larger than those of the storage rack.

Preferably, the number of the rotating handles is four, and the rotating handles form a rotating structure through the space between the external thread rod and the internal thread cylinder.

Preferably, the limiting groove and the limiting block are both circular, and the diameter of the limiting groove is equal to that of the limiting block.

Preferably, the length and the width of the groove are both smaller than those of the table plate, and the length and the width of the groove are both larger than those of the placing plate.

Preferably, the placing plate is rectangular, and a rotating structure is formed between the placing plate and the groove through the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-myopia desk for teaching is provided with a desk body,

(1) the desk is provided with the placing plate, and the existing desk for teachers directly places textbooks on a desktop, so that teachers need to bend down to look over book knowledge when using the desk, and look over the books for a long time, which is not good for the cervical vertebra of the teachers, so that the placing plate is arranged, when the teachers use the desk, the teachers can adjust the angle of the placing plate according to the angle of looking over the books, so that the teachers do not need to bend down to look over the books when looking over the books, and the teachers can use the desk more conveniently;

(2) the hook is arranged, and the teaching aid is required to be placed on the desk top when the desk is used every time because the desk is not provided with a place for hanging the teaching aid, so that books are inconvenient to place on the desk top;

(3) the chalk box is easily inclined when the desk is collided with the desk carelessly, so that the chalk is scattered on the desktop and the ground, the pen container is arranged, the original box of the chalk can be removed when the chalk is placed on the desk, the chalk is directly placed in the pen container, and the chalk is not easily scattered on the desktop and the ground when the desk is collided with the desk carelessly.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a left side view of the structure of the placement board of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the table comprises a table plate, 2, a storage rack, 3, a first supporting column, 4, an internal thread cylinder, 5, an external thread rod, 6, a rotating handle, 7, a limiting block, 8, a second supporting column, 9, a limiting groove, 10, a baffle, 11, a hook, 12, a storage hole, 13, a supporting rod, 14, a bookshelf, 15, a pen container, 16, a groove, 17, a placing plate, 18, a rotating shaft, 19, a supporting block, 20, a first hollow column, 21 and a second hollow column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a teaching is with myopia prevention desk, as shown in figure 1, 1 downside of table is provided with stores frame 2, and the shape of table 1 is the rectangle, and the length and the width of table 1 all are greater than the length and the width of storing frame 2, in order to make table 1 can put more things like this, and store 2 downside of frame and be provided with

first support column

3, 3 lateral surfaces of first support column are provided with interior thread section of thick bamboo 4 simultaneously.

As shown in figure 4, an external thread rod 5 is arranged inside an internal thread cylinder 4, the external thread rod 5 sequentially penetrates through the internal thread cylinder 4 and the outer side surface of a first support column 3, a rotating handle 6 is arranged at the outer end of the external thread rod 5, four rotating handles 6 are arranged, a rotating structure is formed by the rotating handles 6 through the external thread rod 5 and the internal thread cylinder 4, the rotating handles 6 drive the external thread rod 5 to rotate inside the internal thread cylinder 4, the length of a second support column 8 is adjusted, the height of the desk is adjusted, a limiting block 7 is arranged at the inner end of the external thread rod 5, the limiting block 7 is arranged inside the first support column 3, a second support column 8 is arranged inside the first support column 3, the second support column 8 is arranged inside the limiting block 7, a limiting groove 9 is arranged on the side surface of the second support column 8, the limiting groove 9 is connected with the limiting block 7, the limiting groove 9 and the limiting block 7 are both, and the diameter of the limiting groove 9 is equal to that of the limiting block 7, so that the limiting block 7 enters the limiting groove 9, and the position of the second supporting column 8 is fixed.

As shown in fig. 1 and 2, the baffle 10 is arranged on the upper side surface of the table board 1, the left side and the right side of the table board 1 are provided with hooks 11, meanwhile, the front side surface of the table board 1 is provided with a storage hole 12, a support rod 13 is arranged inside the storage hole 12, the bookshelf 14 is arranged on the upper left side of the table board 1, the upper right side of the table board 1 is provided with a pen container 15, meanwhile, the upper side surface of the table board 1 is provided with a groove 16, the length and the width of the groove 16 are both smaller than those of the table board 1, and the length and the width of the groove 16 are both larger than those of the placing board 17, so that the placing board 17 does not influence the table board 1.

As shown in fig. 2 and 3, the groove 16 is disposed between the bookshelf 14 and the pen container 15, the placing plate 17 is disposed inside the groove 16, the placing plate 17 is rectangular, the placing plate 17 forms a rotating structure with the groove 16 through the rotating shaft 18, the placing plate 17 starts to rotate through the rotating shaft 18, so that the angle of the placing plate 17 for placing books can be adjusted, the rotating shafts 18 are disposed on the left and right sides of the placing plate 17, the placing plate 17 is connected with the inner wall of the groove 16 through the rotating shaft 18, the supporting block 19 is disposed on the upper side of the placing plate 17, the first hollow column 20 is disposed on the rear side of the placing plate 17, the second hollow column 21 is disposed on the upper side of the desk 1, and the second hollow column 21 is disposed between the baffle 10 and the groove 16.

The working principle is as follows: when the myopia-preventing desk for teaching is used, a teacher using the desk board 1 starts to rotate the rotating handle 6 according to the height of the desk board 1 required by the teacher, the rotating handle 6 drives the external thread rod 5 to rotate in the internal thread cylinder 4, so that the limiting block 7 leaves the limiting groove 9, the external thread rod 5 drives the limiting block 7 to rotate when rotating due to the fact that the limiting block 7 is circular, the desk board 1 starts to be lifted upwards, the length of the second supporting column 8 in the first supporting column 3 is lengthened, after the height is adjusted, the rotating handle 6 starts to rotate, the external thread rod 5 is driven by the rotating handle 6 to rotate in the internal thread cylinder 4, so that the limiting block 7 enters the limiting groove 9, the position of the second supporting column 8 is fixed, the placing board 17 starts to be lifted upwards, and the placing board 17 is selected due to the fact that the length of the supporting rods 13 is three, the supporting rods 13 with proper length are selected according to the angle of, the upper end of the supporting rod 13 is inserted into the first hollow column 20 on the rear side surface of the placing plate 17, the lower end of the supporting rod 13 is inserted into the second hollow column 21 on the table plate 1, at the moment, books are placed between the supporting blocks 19 on the front side surface of the placing plate 17, chalks are placed into the pen container 15, meanwhile, teaching tools are hung on the hooks 11, teachers can place some books into the bookshelf 14, at the moment, lessons can be carried out, and the content which is not described in detail in the specification belongs to the prior art which is well known to technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a teaching is with myopia prevention desk, includes table (1), baffle (10), bookshelf (14) and the hollow post of second (21), its characterized in that: the table plate (1) lower side surface is provided with a storage frame (2), the lower side surface of the storage frame (2) is provided with a first support column (3), the outer side surface of the first support column (3) is provided with an internal thread cylinder (4), an external thread rod (5) is arranged inside the internal thread cylinder (4), the external thread rod (5) sequentially penetrates through the internal thread cylinder (4) and the outer side surface of the first support column (3), the outer end of the external thread rod (5) is provided with a rotating handle (6), the inner end of the external thread rod (5) is provided with a limit block (7), the limit block (7) is arranged inside the first support column (3), the second support column (8) is arranged inside the limit block (7), the side surface of the second support column (8) is provided with a limit groove (9), and the limit groove (9) is connected with the limit block (7), the novel desk is characterized in that the baffle (10) is arranged on the upper side face of the desk plate (1), hooks (11) are arranged on the left side face and the right side face of the desk plate (1), storage holes (12) are formed in the front side face of the desk plate (1), supporting rods (13) are arranged inside the storage holes (12), the bookshelf (14) is arranged on the upper left side face of the desk plate (1), a pen container (15) is arranged on the upper right side face of the desk plate (1), a groove (16) is formed in the upper side face of the desk plate (1), the groove (16) is arranged between the bookshelf (14) and the pen container (15), a placing plate (17) is arranged inside the groove (16), rotating shafts (18) are arranged on the left side face and the right side face of the placing plate (17), the placing plate (17) is connected with the inner walls of the groove (16) through the rotating shafts (18), supporting blocks (19) are arranged on the upper side face of the placing plate (17, the second hollow column (21) is arranged on the upper side face of the table plate (1), and the second hollow column (21) is arranged between the baffle plate (10) and the groove (16).

2. A teaching myopia-preventing desk according to claim 1, wherein: the table plate (1) is rectangular, and the length and the width of the table plate (1) are both larger than those of the storage rack (2).

3. A teaching myopia-preventing desk according to claim 1, wherein: the number of the rotating handles (6) is four, and the rotating handles (6) form a rotating structure through the space between the external thread rod (5) and the internal thread cylinder (4).

4. A teaching myopia-preventing desk according to claim 1, wherein: the limiting groove (9) and the limiting block (7) are both circular, and the diameter of the limiting groove (9) is equal to that of the limiting block (7).

5. A teaching myopia-preventing desk according to claim 1, wherein: the length and the width of the groove (16) are both smaller than those of the table plate (1), and the length and the width of the groove (16) are both larger than those of the placing plate (17).

6. A teaching myopia-preventing desk according to claim 1, wherein: the placing plate (17) is rectangular, and a rotating structure is formed between the placing plate (17) and the groove (16) through the rotating shaft (18).